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spring-cloud-sleuth/1.3.x/multi/multi__integrations.html
Spring Operator 07a561f92d URL Cleanup 
This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# HTTP URLs that Could Not Be Fixed
These URLs were unable to be fixed. Please review them to see if they can be manually resolved.

* [ ] http://dubbo.io/ (200) with 7 occurrences could not be migrated:
   ([https](https://dubbo.io/) result SSLHandshakeException).
* [ ] http://erik.eae.net/archives/2007/07/27/18.54.15/ (200) with 1 occurrences could not be migrated:
   ([https](https://erik.eae.net/archives/2007/07/27/18.54.15/) result SSLHandshakeException).
* [ ] http://javascript.nwbox.com/IEContentLoaded/ (200) with 1 occurrences could not be migrated:
   ([https](https://javascript.nwbox.com/IEContentLoaded/) result SSLHandshakeException).
* [ ] http://blindsignals.com/index.php/2009/07/jquery-delay/ (301) with 1 occurrences could not be migrated:
   ([https](https://blindsignals.com/index.php/2009/07/jquery-delay/) result SSLHandshakeException).

# Fixed URLs

## Fixed But Review Recommended
These URLs were fixed, but the https status was not OK. However, the https status was the same as the http request or http redirected to an https URL, so they were migrated. Your review is recommended.

* [ ] http://fontawesome.io (301) with 4 occurrences migrated to:
  https://fontawesome.com?from=io ([https](https://fontawesome.io) result AnnotatedConnectException).
* [ ] http://jsperf.com/getall-vs-sizzle/2 (301) with 1 occurrences migrated to:
  https://jsperf.com/getall-vs-sizzle/2 ([https](https://jsperf.com/getall-vs-sizzle/2) result ReadTimeoutException).
* [ ] http://zenorocha.mit-license.org (301) with 1 occurrences migrated to:
  https://zenorocha.mit-license.org/ ([https](https://zenorocha.mit-license.org) result NullPointerException).
* [ ] http://192.168.99.100:9411/ (ConnectTimeoutException) with 1 occurrences migrated to:
  https://192.168.99.100:9411/ ([https](https://192.168.99.100:9411/) result ConnectTimeoutException).
* [ ] http://wiki.ecmascript.org/doku.php?id=harmony:egal (ConnectTimeoutException) with 1 occurrences migrated to:
  https://wiki.ecmascript.org/doku.php?id=harmony:egal ([https](https://wiki.ecmascript.org/doku.php?id=harmony:egal) result ConnectTimeoutException).
* [ ] http://www.w3.org/TR/html4/loose.dtd (ReadTimeoutException) with 1 occurrences migrated to:
  https://www.w3.org/TR/html4/loose.dtd ([https](https://www.w3.org/TR/html4/loose.dtd) result ReadTimeoutException).
* [ ] http://cloud.spring.io/spring-cloud-static/Dalston.SR4/multi/multi__span_data_as_messages.html (404) with 9 occurrences migrated to:
  https://cloud.spring.io/spring-cloud-static/Dalston.SR4/multi/multi__span_data_as_messages.html ([https](https://cloud.spring.io/spring-cloud-static/Dalston.SR4/multi/multi__span_data_as_messages.html) result 404).
* [ ] http://docsbrewing-zipkin-web.cfapps.io/ (404) with 4 occurrences migrated to:
  https://docsbrewing-zipkin-web.cfapps.io/ ([https](https://docsbrewing-zipkin-web.cfapps.io/) result 404).
* [ ] http://docssleuth-zipkin-server.cfapps.io/dependency (404) with 10 occurrences migrated to:
  https://docssleuth-zipkin-server.cfapps.io/dependency ([https](https://docssleuth-zipkin-server.cfapps.io/dependency) result 404).
* [ ] http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ (301) with 1 occurrences migrated to:
  https://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ ([https](https://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/) result 404).
* [ ] http://github.com/sprinframework (301) with 4 occurrences migrated to:
  https://github.com/sprinframework ([https](https://github.com/sprinframework) result 404).
* [ ] http://github.com/spring_hadoop (301) with 4 occurrences migrated to:
  https://github.com/spring_hadoop ([https](https://github.com/spring_hadoop) result 404).
* [ ] http://json.org/json2.js (404) with 1 occurrences migrated to:
  https://json.org/json2.js ([https](https://json.org/json2.js) result 404).
* [ ] http://pivotal.github.com/jasmine (404) with 1 occurrences migrated to:
  https://pivotal.github.com/jasmine ([https](https://pivotal.github.com/jasmine) result 404).
* [ ] http://zipkin.io/pages/existing_instrumentations.html (301) with 7 occurrences migrated to:
  https://zipkin.io/pages/existing_instrumentations.html ([https](https://zipkin.io/pages/existing_instrumentations.html) result 404).

## Fixed Success
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* [ ] http://asciidoctor.org with 2 occurrences migrated to:
  https://asciidoctor.org ([https](https://asciidoctor.org) result 200).
* [ ] http://backbonejs.org with 1 occurrences migrated to:
  https://backbonejs.org ([https](https://backbonejs.org) result 200).
* [ ] http://bugs.jquery.com/ticket/12282 with 1 occurrences migrated to:
  https://bugs.jquery.com/ticket/12282 ([https](https://bugs.jquery.com/ticket/12282) result 200).
* [ ] http://bugs.jquery.com/ticket/12359 with 1 occurrences migrated to:
  https://bugs.jquery.com/ticket/12359 ([https](https://bugs.jquery.com/ticket/12359) result 200).
* [ ] http://bugs.jquery.com/ticket/13378 with 1 occurrences migrated to:
  https://bugs.jquery.com/ticket/13378 ([https](https://bugs.jquery.com/ticket/13378) result 200).
* [ ] http://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js with 6 occurrences migrated to:
  https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js ([https](https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js) result 200).
* [ ] http://cloud.spring.io with 15 occurrences migrated to:
  https://cloud.spring.io ([https](https://cloud.spring.io) result 200).
* [ ] http://creativecommons.org/licenses/by/3.0/ with 2 occurrences migrated to:
  https://creativecommons.org/licenses/by/3.0/ ([https](https://creativecommons.org/licenses/by/3.0/) result 200).
* [ ] http://diveintohtml5.info/history.html with 1 occurrences migrated to:
  https://diveintohtml5.info/history.html ([https](https://diveintohtml5.info/history.html) result 200).
* [ ] http://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-metrics.html with 10 occurrences migrated to:
  https://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-metrics.html ([https](https://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-metrics.html) result 200).
* [ ] http://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/api/ with 1 occurrences migrated to:
  https://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/api/ ([https](https://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/api/) result 200).
* [ ] http://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/reference/html/ with 1 occurrences migrated to:
  https://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/reference/html/ ([https](https://docs.spring.io/spring-data/jpa/docs/1.3.4.RELEASE/reference/html/) result 200).
* [ ] http://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/api/ with 1 occurrences migrated to:
  https://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/api/ ([https](https://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/api/) result 200).
* [ ] http://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/reference/html/ with 1 occurrences migrated to:
  https://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/reference/html/ ([https](https://docs.spring.io/spring-data/jpa/docs/1.4.0.RC1/reference/html/) result 200).
* [ ] http://docs.spring.io/spring-hateoas/docs/current/reference/html/ with 13 occurrences migrated to:
  https://docs.spring.io/spring-hateoas/docs/current/reference/html/ ([https](https://docs.spring.io/spring-hateoas/docs/current/reference/html/) result 200).
* [ ] http://docssleuth-service1.cfapps.io/start with 7 occurrences migrated to:
  https://docssleuth-service1.cfapps.io/start ([https](https://docssleuth-service1.cfapps.io/start) result 200).
* [ ] http://github.com/spring-cloud/spring-cloud-sleuth with 1 occurrences migrated to:
  https://github.com/spring-cloud/spring-cloud-sleuth ([https](https://github.com/spring-cloud/spring-cloud-sleuth) result 200).
* [ ] http://github.com/spring-projects/gh-pages with 1 occurrences migrated to:
  https://github.com/spring-projects/gh-pages ([https](https://github.com/spring-projects/gh-pages) result 200).
* [ ] http://grigio.org with 1 occurrences migrated to:
  https://grigio.org ([https](https://grigio.org) result 200).
* [ ] http://imgs.mi9.com/uploads/landscape/2101/beautiful-leaf-wallpapers_1280x960_28083.jpg with 1 occurrences migrated to:
  https://imgs.mi9.com/uploads/landscape/2101/beautiful-leaf-wallpapers_1280x960_28083.jpg ([https](https://imgs.mi9.com/uploads/landscape/2101/beautiful-leaf-wallpapers_1280x960_28083.jpg) result 200).
* [ ] http://jekyllrb.com with 1 occurrences migrated to:
  https://jekyllrb.com ([https](https://jekyllrb.com) result 200).
* [ ] http://jquery.com/ with 1 occurrences migrated to:
  https://jquery.com/ ([https](https://jquery.com/) result 200).
* [ ] http://nn.mit-license.org/ with 1 occurrences migrated to:
  https://nn.mit-license.org/ ([https](https://nn.mit-license.org/) result 200).
* [ ] http://opensource.org/licenses/mit-license.html with 2 occurrences migrated to:
  https://opensource.org/licenses/mit-license.html ([https](https://opensource.org/licenses/mit-license.html) result 200).
* [ ] http://opentracing.io/ with 14 occurrences migrated to:
  https://opentracing.io/ ([https](https://opentracing.io/) result 200).
* [ ] http://pages.github.com/ with 1 occurrences migrated to:
  https://pages.github.com/ ([https](https://pages.github.com/) result 200).
* [ ] http://projects.spring.io/spring-integration/ with 15 occurrences migrated to:
  https://projects.spring.io/spring-integration/ ([https](https://projects.spring.io/spring-integration/) result 200).
* [ ] http://rubygems.org with 1 occurrences migrated to:
  https://rubygems.org ([https](https://rubygems.org) result 200).
* [ ] http://rubygems.org/ with 1 occurrences migrated to:
  https://rubygems.org/ ([https](https://rubygems.org/) result 200).
* [ ] http://silviomoreto.github.io/bootstrap-select/ with 2 occurrences migrated to:
  https://silviomoreto.github.io/bootstrap-select/ ([https](https://silviomoreto.github.io/bootstrap-select/) result 200).
* [ ] http://sizzlejs.com/ with 2 occurrences migrated to:
  https://sizzlejs.com/ ([https](https://sizzlejs.com/) result 200).
* [ ] http://spring.io/guides/gs/gradle/ with 1 occurrences migrated to:
  https://spring.io/guides/gs/gradle/ ([https](https://spring.io/guides/gs/gradle/) result 200).
* [ ] http://spring.io/guides/gs/maven/ with 1 occurrences migrated to:
  https://spring.io/guides/gs/maven/ ([https](https://spring.io/guides/gs/maven/) result 200).
* [ ] http://spring.io/projects/spring-cloud-sleuth with 4 occurrences migrated to:
  https://spring.io/projects/spring-cloud-sleuth ([https](https://spring.io/projects/spring-cloud-sleuth) result 200).
* [ ] http://stackoverflow.com/questions/tagged/spring-cloud with 1 occurrences migrated to:
  https://stackoverflow.com/questions/tagged/spring-cloud ([https](https://stackoverflow.com/questions/tagged/spring-cloud) result 200).
* [ ] http://stackoverflow.com/questions/tagged/spring-data-jpa with 1 occurrences migrated to:
  https://stackoverflow.com/questions/tagged/spring-data-jpa ([https](https://stackoverflow.com/questions/tagged/spring-data-jpa) result 200).
* [ ] http://twitter.com/byscuits with 2 occurrences migrated to:
  https://twitter.com/byscuits ([https](https://twitter.com/byscuits) result 200).
* [ ] http://twitter.com/fontawesome with 2 occurrences migrated to:
  https://twitter.com/fontawesome ([https](https://twitter.com/fontawesome) result 200).
* [ ] http://underscorejs.org with 1 occurrences migrated to:
  https://underscorejs.org ([https](https://underscorejs.org) result 200).
* [ ] http://kyruus.com (301) with 2 occurrences migrated to:
  https://www.kyruus.com/ ([https](https://kyruus.com) result 200).
* [ ] http://www.splunk.com/ with 15 occurrences migrated to:
  https://www.splunk.com/ ([https](https://www.splunk.com/) result 200).
* [ ] http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html with 1 occurrences migrated to:
  https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html ([https](https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html) result 200).
* [ ] http://www.w3.org/TR/2011/REC-css3-selectors-20110929/ with 2 occurrences migrated to:
  https://www.w3.org/TR/2011/REC-css3-selectors-20110929/ ([https](https://www.w3.org/TR/2011/REC-css3-selectors-20110929/) result 200).
* [ ] http://www.w3.org/TR/CSS21/syndata.html with 2 occurrences migrated to:
  https://www.w3.org/TR/CSS21/syndata.html ([https](https://www.w3.org/TR/CSS21/syndata.html) result 200).
* [ ] http://www.w3.org/TR/selectors/ with 4 occurrences migrated to:
  https://www.w3.org/TR/selectors/ ([https](https://www.w3.org/TR/selectors/) result 200).
* [ ] http://cloud.spring.io/spring-cloud-stream with 10 occurrences migrated to:
  https://cloud.spring.io/spring-cloud-stream ([https](https://cloud.spring.io/spring-cloud-stream) result 301).
* [ ] http://dev.w3.org/csswg/cssom/ with 1 occurrences migrated to:
  https://dev.w3.org/csswg/cssom/ ([https](https://dev.w3.org/csswg/cssom/) result 301).
* [ ] http://docs.python.org/library/functions.html with 1 occurrences migrated to:
  https://docs.python.org/library/functions.html ([https](https://docs.python.org/library/functions.html) result 301).
* [ ] http://forum.spring.io/forum/spring-projects/data with 1 occurrences migrated to:
  https://forum.spring.io/forum/spring-projects/data ([https](https://forum.spring.io/forum/spring-projects/data) result 301).
* [ ] http://github.com/SpringSource/spring-data-jpa with 1 occurrences migrated to:
  https://github.com/SpringSource/spring-data-jpa ([https](https://github.com/SpringSource/spring-data-jpa) result 301).
* [ ] http://github.com/pivotal/jasmine-ajax with 1 occurrences migrated to:
  https://github.com/pivotal/jasmine-ajax ([https](https://github.com/pivotal/jasmine-ajax) result 301).
* [ ] http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_ with 1 occurrences migrated to:
  https://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_ ([https](https://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_) result 301).
* [ ] http://jira.springsource.org/browse/DATAJPA with 1 occurrences migrated to:
  https://jira.springsource.org/browse/DATAJPA ([https](https://jira.springsource.org/browse/DATAJPA) result 301).
* [ ] http://jquery.org/license with 2 occurrences migrated to:
  https://jquery.org/license ([https](https://jquery.org/license) result 301).
* [ ] http://projects.spring.io/spring-data-jpa with 1 occurrences migrated to:
  https://projects.spring.io/spring-data-jpa ([https](https://projects.spring.io/spring-data-jpa) result 301).
* [ ] http://research.google.com/pubs/pub36356.html with 15 occurrences migrated to:
  https://research.google.com/pubs/pub36356.html ([https](https://research.google.com/pubs/pub36356.html) result 301).
* [ ] http://spring-projects.github.io/ with 1 occurrences migrated to:
  https://spring-projects.github.io/ ([https](https://spring-projects.github.io/) result 301).
* [ ] http://twitter.github.com/bootstrap/javascript.html with 13 occurrences migrated to:
  https://twitter.github.com/bootstrap/javascript.html ([https](https://twitter.github.com/bootstrap/javascript.html) result 301).
* [ ] http://www.modernizr.com/ with 1 occurrences migrated to:
  https://www.modernizr.com/ ([https](https://www.modernizr.com/) result 301).
* [ ] http://www.spring.io with 8 occurrences migrated to:
  https://www.spring.io ([https](https://www.spring.io) result 301).
* [ ] http://www.w3.org/TR/css3-selectors/ with 2 occurrences migrated to:
  https://www.w3.org/TR/css3-selectors/ ([https](https://www.w3.org/TR/css3-selectors/) result 301).
* [ ] http://www.w3.org/TR/css3-syntax/ with 1 occurrences migrated to:
  https://www.w3.org/TR/css3-syntax/ ([https](https://www.w3.org/TR/css3-syntax/) result 301).
* [ ] http://docsbrewing-zipkin-server.cfapps.io/ with 11 occurrences migrated to:
  https://docsbrewing-zipkin-server.cfapps.io/ ([https](https://docsbrewing-zipkin-server.cfapps.io/) result 302).
* [ ] http://docssleuth-zipkin-server.cfapps.io/ with 25 occurrences migrated to:
  https://docssleuth-zipkin-server.cfapps.io/ ([https](https://docssleuth-zipkin-server.cfapps.io/) result 302).
* [ ] http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx with 2 occurrences migrated to:
  https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx ([https](https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx) result 302).
* [ ] http://repo.spring.io/milestone with 4 occurrences migrated to:
  https://repo.spring.io/milestone ([https](https://repo.spring.io/milestone) result 302).
* [ ] http://scripts.sil.org/OFL with 2 occurrences migrated to:
  https://scripts.sil.org/OFL ([https](https://scripts.sil.org/OFL) result 302).
* [ ] http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context with 1 occurrences migrated to:
  https://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context ([https](https://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context) result 302).

# Ignored
These URLs were intentionally ignored.

* http://docbook.org/ns/docbook with 6728 occurrences
* http://localhost:4000/spring-xyz/ with 1 occurrences
* http://some/address with 13 occurrences
* http://www with 1 occurrences
* http://www.w3.org/1999/xhtml with 2 occurrences
* http://www.w3.org/1999/xlink with 1 occurrences
* http://www.w3.org/2000/svg with 1 occurrences
* http://zipkinserver/ with 11 occurrences
2019-03-26 03:51:33 -05:00

185 lines
34 KiB
HTML
Raw Blame History

<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>13.&nbsp;Integrations</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="up" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="prev" href="multi__metrics.html" title="12.&nbsp;Metrics"><link rel="next" href="multi__running_examples.html" title="14.&nbsp;Running examples"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">13.&nbsp;Integrations</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__metrics.html">Prev</a>&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="multi__running_examples.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="_integrations" href="#_integrations"></a>13.&nbsp;Integrations</h1></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_runnable_and_callable" href="#_runnable_and_callable"></a>13.1&nbsp;Runnable and Callable</h2></div></div></div><p>If you&#8217;re wrapping your logic in <code class="literal">Runnable</code> or <code class="literal">Callable</code> it&#8217;s enough to wrap those classes in their Sleuth representative.</p><p>Example for <code class="literal">Runnable</code>:</p><pre class="programlisting">Runnable runnable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Runnable() {
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> run() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// do some work</span>
}
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String toString() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"spanNameFromToStringMethod"</span>;
}
};
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Manual `TraceRunnable` creation with explicit "calculateTax" Span name</span>
Runnable traceRunnable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceRunnable(tracer, spanNamer, runnable, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Wrapping `Runnable` with `Tracer`. The Span name will be taken either from the</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// `@SpanName` annotation or from `toString` method</span>
Runnable traceRunnableFromTracer = tracer.wrap(runnable);</pre><p>Example for <code class="literal">Callable</code>:</p><pre class="programlisting">Callable&lt;String&gt; callable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Callable&lt;String&gt;() {
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String call() <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">throws</span> Exception {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> someLogic();
}
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String toString() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"spanNameFromToStringMethod"</span>;
}
};
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Manual `TraceCallable` creation with explicit "calculateTax" Span name</span>
Callable&lt;String&gt; traceCallable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceCallable&lt;&gt;(tracer, spanNamer, callable, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// Wrapping `Callable` with `Tracer`. The Span name will be taken either from the</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// `@SpanName` annotation or from `toString` method</span>
Callable&lt;String&gt; traceCallableFromTracer = tracer.wrap(callable);</pre><p>That way you will ensure that a new Span is created and closed for each execution.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_hystrix" href="#_hystrix"></a>13.2&nbsp;Hystrix</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_custom_concurrency_strategy" href="#_custom_concurrency_strategy"></a>13.2.1&nbsp;Custom Concurrency Strategy</h3></div></div></div><p>We&#8217;re registering a custom <a class="link" href="https://github.com/Netflix/Hystrix/wiki/Plugins#concurrencystrategy" target="_top"><code class="literal">HystrixConcurrencyStrategy</code></a>
that wraps all <code class="literal">Callable</code> instances into their Sleuth representative -
the <code class="literal">TraceCallable</code>. The strategy either starts or continues a span depending on the fact whether tracing was already going
on before the Hystrix command was called. To disable the custom Hystrix Concurrency Strategy set the <code class="literal">spring.sleuth.hystrix.strategy.enabled</code> to <code class="literal">false</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_manual_command_setting" href="#_manual_command_setting"></a>13.2.2&nbsp;Manual Command setting</h3></div></div></div><p>Assuming that you have the following <code class="literal">HystrixCommand</code>:</p><pre class="programlisting">HystrixCommand&lt;String&gt; hystrixCommand = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HystrixCommand&lt;String&gt;(setter) {
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">protected</span> String run() <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">throws</span> Exception {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> someLogic();
}
};</pre><p>In order to pass the tracing information you have to wrap the same logic in the Sleuth version of the <code class="literal">HystrixCommand</code> which is the
<code class="literal">TraceCommand</code>:</p><pre class="programlisting">TraceCommand&lt;String&gt; traceCommand = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceCommand&lt;String&gt;(tracer, traceKeys, setter) {
<em><span class="hl-annotation" style="color: gray">@Override</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> String doRun() <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">throws</span> Exception {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> someLogic();
}
};</pre></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_rxjava" href="#_rxjava"></a>13.3&nbsp;RxJava</h2></div></div></div><p>We&#8217;re registering a custom <a class="link" href="https://github.com/ReactiveX/RxJava/wiki/Plugins#rxjavaschedulershook" target="_top"><code class="literal">RxJavaSchedulersHook</code></a>
that wraps all <code class="literal">Action0</code> instances into their Sleuth representative -
the <code class="literal">TraceAction</code>. The hook either starts or continues a span depending on the fact whether tracing was already going
on before the Action was scheduled. To disable the custom RxJavaSchedulersHook set the <code class="literal">spring.sleuth.rxjava.schedulers.hook.enabled</code> to <code class="literal">false</code>.</p><p>You can define a list of regular expressions for thread names, for which you don&#8217;t want a Span to be created. Just provide a comma separated list
of regular expressions in the <code class="literal">spring.sleuth.rxjava.schedulers.ignoredthreads</code> property.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_http_integration" href="#_http_integration"></a>13.4&nbsp;HTTP integration</h2></div></div></div><p>Features from this section can be disabled by providing the <code class="literal">spring.sleuth.web.enabled</code> property with value equal to <code class="literal">false</code>.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_http_filter" href="#_http_filter"></a>13.4.1&nbsp;HTTP Filter</h3></div></div></div><p>Via the <code class="literal">TraceFilter</code> all sampled incoming requests result in creation of a Span. That Span&#8217;s name is <code class="literal">http:</code> + the path to which
the request was sent. E.g. if the request was sent to <code class="literal">/foo/bar</code> then the name will be <code class="literal">http:/foo/bar</code>. You can configure which URIs you would
like to skip via the <code class="literal">spring.sleuth.web.skipPattern</code> property. If you have <code class="literal">ManagementServerProperties</code> on classpath then
its value of <code class="literal">contextPath</code> gets appended to the provided skip pattern.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_handlerinterceptor" href="#_handlerinterceptor"></a>13.4.2&nbsp;HandlerInterceptor</h3></div></div></div><p>Since we want the span names to be precise we&#8217;re using a <code class="literal">TraceHandlerInterceptor</code> that either wraps an
existing <code class="literal">HandlerInterceptor</code> or is added directly to the list of existing <code class="literal">HandlerInterceptors</code>. The
<code class="literal">TraceHandlerInterceptor</code> adds a special request attribute to the given <code class="literal">HttpServletRequest</code>. If the
the <code class="literal">TraceFilter</code> doesn&#8217;t see this attribute set it will create a "fallback" span which is an additional
span created on the server side so that the trace is presented properly in the UI. Seeing that most likely
signifies that there is a missing instrumentation. In that case please file an issue in Spring Cloud Sleuth.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_async_servlet_support" href="#_async_servlet_support"></a>13.4.3&nbsp;Async Servlet support</h3></div></div></div><p>If your controller returns a <code class="literal">Callable</code> or a <code class="literal">WebAsyncTask</code> Spring Cloud Sleuth will continue the existing span instead of creating a new one.</p></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_http_client_integration" href="#_http_client_integration"></a>13.5&nbsp;HTTP client integration</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_synchronous_rest_template" href="#_synchronous_rest_template"></a>13.5.1&nbsp;Synchronous Rest Template</h3></div></div></div><p>We&#8217;re injecting a <code class="literal">RestTemplate</code> interceptor that ensures that all the tracing information is passed to the requests. Each time a
call is made a new Span is created. It gets closed upon receiving the response. In order to block the synchronous <code class="literal">RestTemplate</code> features
just set <code class="literal">spring.sleuth.web.client.enabled</code> to <code class="literal">false</code>.</p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>You have to register <code class="literal">RestTemplate</code> as a bean so that the interceptors will get injected.
If you create a <code class="literal">RestTemplate</code> instance with a <code class="literal">new</code> keyword then the instrumentation WILL NOT work.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_asynchronous_rest_template" href="#_asynchronous_rest_template"></a>13.5.2&nbsp;Asynchronous Rest Template</h3></div></div></div><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>A traced version of an <code class="literal">AsyncRestTemplate</code> bean is registered for you out of the box. If you
have your own bean you have to wrap it in a <code class="literal">TraceAsyncRestTemplate</code> representation. The best solution
is to only customize the <code class="literal">ClientHttpRequestFactory</code> and / or <code class="literal">AsyncClientHttpRequestFactory</code>.
<span class="strong"><strong>If you have your own <code class="literal">AsyncRestTemplate</code> and you don&#8217;t wrap it your calls WILL NOT GET TRACED</strong></span>.</p></td></tr></table></div><p>Custom instrumentation is set to create and close Spans upon sending and receiving requests. You can customize the <code class="literal">ClientHttpRequestFactory</code>
and the <code class="literal">AsyncClientHttpRequestFactory</code> by registering your beans. Remember to use tracing compatible implementations (e.g. don&#8217;t forget to
wrap <code class="literal">ThreadPoolTaskScheduler</code> in a <code class="literal">TraceAsyncListenableTaskExecutor</code>). Example of custom request factories:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@EnableAutoConfiguration</span></em>
<em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> TestConfiguration {
<em><span class="hl-annotation" style="color: gray">@Bean</span></em>
ClientHttpRequestFactory mySyncClientFactory() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> MySyncClientHttpRequestFactory();
}
<em><span class="hl-annotation" style="color: gray">@Bean</span></em>
AsyncClientHttpRequestFactory myAsyncClientFactory() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> MyAsyncClientHttpRequestFactory();
}
}</pre><p>To block the <code class="literal">AsyncRestTemplate</code> features set <code class="literal">spring.sleuth.web.async.client.enabled</code> to <code class="literal">false</code>.
To disable creation of the default <code class="literal">TraceAsyncClientHttpRequestFactoryWrapper</code> set <code class="literal">spring.sleuth.web.async.client.factory.enabled</code>
to <code class="literal">false</code>. If you don&#8217;t want to create <code class="literal">AsyncRestClient</code> at all set <code class="literal">spring.sleuth.web.async.client.template.enabled</code> to <code class="literal">false</code>.</p><div class="section"><div class="titlepage"><div><div><h4 class="title"><a name="_multiple_asynchronous_rest_templates" href="#_multiple_asynchronous_rest_templates"></a>Multiple Asynchronous Rest Templates</h4></div></div></div><p>Sometimes you need to use multiple implementations of Asynchronous Rest Template. In the following snippet you
can see an example of how to set up such a custom <code class="literal">AsyncRestTemplate</code>.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
<em><span class="hl-annotation" style="color: gray">@EnableAutoConfiguration</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> Config {
<em><span class="hl-annotation" style="color: gray">@Autowired</span></em> Tracer tracer;
<em><span class="hl-annotation" style="color: gray">@Autowired</span></em> HttpTraceKeysInjector httpTraceKeysInjector;
<em><span class="hl-annotation" style="color: gray">@Autowired</span></em> HttpSpanInjector spanInjector;
<em><span class="hl-annotation" style="color: gray">@Bean(name = "customAsyncRestTemplate")</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> AsyncRestTemplate traceAsyncRestTemplate(<em><span class="hl-annotation" style="color: gray">@Qualifier("customHttpRequestFactoryWrapper")</span></em>
TraceAsyncClientHttpRequestFactoryWrapper wrapper, ErrorParser errorParser) {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceAsyncRestTemplate(wrapper, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.tracer, errorParser);
}
<em><span class="hl-annotation" style="color: gray">@Bean(name = "customHttpRequestFactoryWrapper")</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> TraceAsyncClientHttpRequestFactoryWrapper traceAsyncClientHttpRequestFactory() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceAsyncClientHttpRequestFactoryWrapper(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.tracer,
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.spanInjector,
asyncClientFactory(),
clientHttpRequestFactory(),
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.httpTraceKeysInjector);
}
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> ClientHttpRequestFactory clientHttpRequestFactory() {
ClientHttpRequestFactory clientHttpRequestFactory = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> CustomClientHttpRequestFactory();
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//CUSTOMIZE HERE</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> clientHttpRequestFactory;
}
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> AsyncClientHttpRequestFactory asyncClientFactory() {
AsyncClientHttpRequestFactory factory = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> CustomAsyncClientHttpRequestFactory();
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//CUSTOMIZE HERE</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> factory;
}
}</pre></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_traverson" href="#_traverson"></a>13.5.3&nbsp;Traverson</h3></div></div></div><p>If you&#8217;re using the <a class="link" href="https://docs.spring.io/spring-hateoas/docs/current/reference/html/#client.traverson" target="_top">Traverson</a> library
it&#8217;s enough for you to inject a <code class="literal">RestTemplate</code> as a bean into your Traverson object. Since <code class="literal">RestTemplate</code>
is already intercepted, you will get full support of tracing in your client. Below you can find a pseudo code
of how to do that:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Autowired</span></em> RestTemplate restTemplate;
Traverson traverson = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Traverson(URI.create(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"http://some/address"</span>),
MediaType.APPLICATION_JSON, MediaType.APPLICATION_JSON_UTF8).setRestOperations(restTemplate);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// use Traverson</span></pre></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign" href="#_feign"></a>13.6&nbsp;Feign</h2></div></div></div><p>By default Spring Cloud Sleuth provides integration with feign via the <code class="literal">TraceFeignClientAutoConfiguration</code>. You can disable it entirely
by setting <code class="literal">spring.sleuth.feign.enabled</code> to false. If you do so then no Feign related instrumentation will take place.</p><p>Part of Feign instrumentation is done via a <code class="literal">FeignBeanPostProcessor</code>. You can disable it by providing the <code class="literal">spring.sleuth.feign.processor.enabled</code> equal to <code class="literal">false</code>.
If you set it like this then Spring Cloud Sleuth will not instrument any of your custom Feign components. All the default instrumentation
however will be still there.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_asynchronous_communication" href="#_asynchronous_communication"></a>13.7&nbsp;Asynchronous communication</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="__async_annotated_methods" href="#__async_annotated_methods"></a>13.7.1&nbsp;@Async annotated methods</h3></div></div></div><p>In Spring Cloud Sleuth we&#8217;re instrumenting async related components so that the tracing information is passed between threads.
You can disable this behaviour by setting the value of <code class="literal">spring.sleuth.async.enabled</code> to <code class="literal">false</code>.</p><p>If you annotate your method with <code class="literal">@Async</code> then we&#8217;ll automatically create a new Span with the following characteristics:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">if the method is annotated with <code class="literal">@SpanName</code> then the value of the annotation will be the Span&#8217;s name</li><li class="listitem">if the method is <span class="strong"><strong>not</strong></span> annotated with <code class="literal">@SpanName</code> the Span name will be the annotated method name</li><li class="listitem">the Span will be tagged with that method&#8217;s class name and the method name too</li></ul></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="__scheduled_annotated_methods" href="#__scheduled_annotated_methods"></a>13.7.2&nbsp;@Scheduled annotated methods</h3></div></div></div><p>In Spring Cloud Sleuth we&#8217;re instrumenting scheduled method execution so that the tracing information is passed between threads. You can disable this behaviour
by setting the value of <code class="literal">spring.sleuth.scheduled.enabled</code> to <code class="literal">false</code>.</p><p>If you annotate your method with <code class="literal">@Scheduled</code> then we&#8217;ll automatically create a new Span with the following characteristics:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">the Span name will be the annotated method name</li><li class="listitem">the Span will be tagged with that method&#8217;s class name and the method name too</li></ul></div><p>If you want to skip Span creation for some <code class="literal">@Scheduled</code> annotated classes you can set the
<code class="literal">spring.sleuth.scheduled.skipPattern</code> with a regular expression that will match the fully qualified name of the
<code class="literal">@Scheduled</code> annotated class.</p><div class="tip" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Tip"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Tip]" src="images/tip.png"></td><th align="left">Tip</th></tr><tr><td align="left" valign="top"><p>If you are using <code class="literal">spring-cloud-sleuth-stream</code> and <code class="literal">spring-cloud-netflix-hystrix-stream</code> together, Span will be created for each Hystrix metrics and sent to Zipkin. This may be annoying. You can prevent this by setting <code class="literal">spring.sleuth.scheduled.skipPattern=org.springframework.cloud.netflix.hystrix.stream.HystrixStreamTask</code></p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_executor_executorservice_and_scheduledexecutorservice" href="#_executor_executorservice_and_scheduledexecutorservice"></a>13.7.3&nbsp;Executor, ExecutorService and ScheduledExecutorService</h3></div></div></div><p>We&#8217;re providing <code class="literal">LazyTraceExecutor</code>, <code class="literal">TraceableExecutorService</code> and <code class="literal">TraceableScheduledExecutorService</code>. Those implementations
are creating Spans each time a new task is submitted, invoked or scheduled.</p><p>Here you can see an example of how to pass tracing information with <code class="literal">TraceableExecutorService</code> when working with <code class="literal">CompletableFuture</code>:</p><pre class="programlisting">CompletableFuture&lt;Long&gt; completableFuture = CompletableFuture.supplyAsync(() -&gt; {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// perform some logic</span>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span class="hl-number">1</span>_<span class="hl-number">000</span>_<span class="hl-number">000L</span>;
}, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> TraceableExecutorService(executorService,
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// 'calculateTax' explicitly names the span - this param is optional</span>
tracer, traceKeys, spanNamer, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"calculateTax"</span>));</pre><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>Sleuth doesn&#8217;t work with <code class="literal">parallelStream()</code> out of the box. If you want
to have the tracing information propagated through the stream you have to use the
approach with <code class="literal">supplyAsync(...)</code> as presented above.</p></td></tr></table></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a name="_customization_of_executors" href="#_customization_of_executors"></a>Customization of Executors</h4></div></div></div><p>Sometimes you need to set up a custom instance of the <code class="literal">AsyncExecutor</code>. In the following snippet you
can see an example of how to set up such a custom <code class="literal">Executor</code>.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
<em><span class="hl-annotation" style="color: gray">@EnableAutoConfiguration</span></em>
<em><span class="hl-annotation" style="color: gray">@EnableAsync</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> CustomExecutorConfig <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">extends</span> AsyncConfigurerSupport {
<em><span class="hl-annotation" style="color: gray">@Autowired</span></em> BeanFactory beanFactory;
<em><span class="hl-annotation" style="color: gray">@Override</span></em> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Executor getAsyncExecutor() {
ThreadPoolTaskExecutor executor = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ThreadPoolTaskExecutor();
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// CUSTOMIZE HERE</span>
executor.setCorePoolSize(<span class="hl-number">7</span>);
executor.setMaxPoolSize(<span class="hl-number">42</span>);
executor.setQueueCapacity(<span class="hl-number">11</span>);
executor.setThreadNamePrefix(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"MyExecutor-"</span>);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// DON'T FORGET TO INITIALIZE</span>
executor.initialize();
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> LazyTraceExecutor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.beanFactory, executor);
}
}</pre></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_messaging" href="#_messaging"></a>13.8&nbsp;Messaging</h2></div></div></div><p>Spring Cloud Sleuth integrates with <a class="link" href="https://projects.spring.io/spring-integration/" target="_top">Spring Integration</a>. It creates spans for publish and
subscribe events. To disable Spring Integration instrumentation, set <code class="literal">spring.sleuth.integration.enabled</code> to false.</p><p>You can provide the <code class="literal">spring.sleuth.integration.patterns</code> pattern to explicitly
provide the names of channels that you want to include for tracing. By default all channels
are included.</p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>When using the <code class="literal">Executor</code> to build a Spring Integration <code class="literal">IntegrationFlow</code> remember to use the <span class="strong"><strong>untraced</strong></span> version of the <code class="literal">Executor</code>.
Decorating Spring Integration Executor Channel with <code class="literal">TraceableExecutorService</code> will cause the spans to be improperly closed.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_zuul" href="#_zuul"></a>13.9&nbsp;Zuul</h2></div></div></div><p>We&#8217;re registering Zuul filters to propagate the tracing information (the request header is enriched with tracing data).
To disable Zuul support set the <code class="literal">spring.sleuth.zuul.enabled</code> property to <code class="literal">false</code>.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_spring_cloud_function" href="#_spring_cloud_function"></a>13.10&nbsp;Spring Cloud Function</h2></div></div></div><p>Sleuth works out of the box with Spring Cloud Function. Since functions
might be short living, it&#8217;s best to make the Zipkin span reporting synchronous.
Just define a <code class="literal">Reporter&lt;Span&gt;</code> bean as presented below:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> ReporterConfiguration {
<em><span class="hl-annotation" style="color: gray">@Bean</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Reporter&lt;Span&gt; reporter(
SpanMetricReporter spanMetricReporter,
ZipkinProperties zipkin,
Sender sender
) {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">final</span> AsyncReporter&lt;Span&gt; reporter = AsyncReporter.builder(sender)
.queuedMaxSpans(<span class="hl-number">1000</span>)
.messageTimeout(zipkin.getMessageTimeout(), TimeUnit.SECONDS)
.metrics(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> ReporterMetricsAdapter(spanMetricReporter))
.build(zipkin.getEncoder());
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Reporter&lt;Span&gt;() {
<em><span class="hl-annotation" style="color: gray">@Override</span></em> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> report(Span span) {
reporter.report(span);
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// make the reporter synchronous</span>
reporter.flush();
}
};
}
}</pre></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi__metrics.html">Prev</a>&nbsp;</td><td width="20%" align="center">&nbsp;</td><td width="40%" align="right">&nbsp;<a accesskey="n" href="multi__running_examples.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">12.&nbsp;Metrics&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud-sleuth.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;14.&nbsp;Running examples</td></tr></table></div></body></html>
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